Who is authorative? is determined by who trusts them. Trust is not technical, it's social.

—Dick Hardt

If you can get people to have some skin in the game and it's transparent that they do have skin in the game, then that in itself is effective.

—Jon Udell

At a high level, the model is really, How do you get other people to say it's you? In many ways, Who are you? is really what other people are saying. If we get a number of them to do it, then that works much better than trying to go to one strong source – you go to a number of much weaker sources, but your reliability is much higher.